Locking device for outboard motors



l Aug. 16, 1949,

G. H. BlNz 2,479,300

LOCKING DEVICE FOR OUTBOARD MOTORS Filed Aug. 14,1946

Patented Aug. 16, 1949 l Y v 2,479,300

k,Loon'ntojnirvnn; non oUTBoARD Mo'rons Gustave Harder Binz, Chicago,Ill.,..assgnor to v lForrestfL. Buschhorn, QklahomaGity, Okla.

.application Angustia les@ serieuse, essere i' -4 Claims Y il .This,invention relates t0.l improvements in locking devices-.foroutboardmetors .and is morepartieularly k.conce.filedwith .the provisionof sleek- .ine device which is adapted to .prevent vthe -unauthorizeduse,ortheft,-of ,outboard motors. "j .Thisinvention contemplates thevprovisionof.a lockingdevce which .isrelatively simple r and`inexpensivelto manufacture ,andv which may readily be I positioned lto`engage and prevent rotation movement of-the winghead -portions Yofmounting screwsoioutboard motors, v Most outboardm .tors `are providedwithtwo mounting screws .whichare threaded through ones-ide crac-shapedmounting bracket for clamping engagementagainst the back of` a-beaztg vThis invention further contemplates the provision of a locking deviceyadapted `to enclose'the wingheads of vmotor clamping screws to prevent`loosening of same due to vibrationof the motor,

and to prevent unauthorized'removal of an outboard motor-ifrpmmhe-backof a boat or from a motorsupporting structureprovided withina boathouse. lthas heretofore 'been possible L fortunauthorized .users orthieves t remove meters from .boatsby merely `loosening the clampingSscrews. VDuring storage of outboard motorsv in boat houses, lthelmotorsare often 11.191.114teld.4 upon supporting structures Aa'dapte'd tomaintain the motors Yin upright position and out of contact with theloor. While in storage, the motors are often used by unauthorized peopleand without the owner ever learning of such use.

This invention further contemplates the pro- Vision vof a locking devicecomprising a pair of locking members formed with chambers to snuglyreceive and engage the wingheads of mounting screws, the locking membersbeing telescopically adjustable for use o-n motors having different'spacings between the mounting screws. The locking members are secured inlocked position by a suitable padlock.

This invention embodies other novel features, details of constructionand arrangementY of parts which are hereinafter set forth in thespecication and claims and illustrated in the accompanying drawingwherein:

Fig. 1 is a side elevational view showing an outboard motor mounted uponthe back of a vboat and with the locking device positioned upon themotor mounting screws.

Fig. 2 is a plan View showing the locking device, the motor mountingscrews and padlock being shown in dotted outline.

Fig. 3 is a sectional View 3-3 of Fig. 2.

taken along the line (Oli-7 0-232) the line lprovidedonthelockingmemberfl. AYThe-tongue' Ig'I n "is 'formed Wthintllrnedsdefenges "1.8, t0 define -Qppesedieuid/ sl-Qts' :L9 t9 .receive the201.15116 i6 j'lile nd4 'i ,formed .With .apertures .2l and 2.2;respeivelmgw reeeivetne ,shackle 12.3 .eiapadlektJ l flhetop wells l?.of thezlpekioslmembers 6 and h opuosed..` .101.1%.119listinally @Xteidf.iglvreeeive .the shank Dertien .b s

? `ar e. provided with .29 ,adapted to' ...be d, ,against rotational ,oserments L3 endl@- 1..t1.1.e .type illustrated in n.aateiiullvsupeertedgin o` rative position upon the "back 32l of a boat 33 by meansof a pair of mounting screws 28 threaded through the front side of aC--shaped mounting bracket 34. During storage of outboard motors in boathouses, th-e motors 3| are usually supported in upright position, asillustrated in Fig. 1, upon a suitable frame structure (not shown). Inorder to prevent unauthorized use or theft of outboard motors while sameare left unattended upon boats or within boat houses. a locking deviceof the type thus shown and described may readily be mounted upon thewinghead portions 29 of the mounting screws 28 in the manner illustratedin the drawings. After the wing-shaped head portions 29 of the mountfingscrews 28 are positioned within the compartments I3 and I4 of thelocking members 6 and 1, respectively, the shackle 23 of a padlock 24 isadapted to be inserted through registering apertures 2| and 22 of thetongues I6 and II, respectively. When the locking members 6 and 1 aresecured together by means ofthe padlock 24, it will be observed that themounting screws 28 cannot be rotated to permit removal of the outboardmotor 3l from the back of a boat or from a similar type of motorsupporting structure provided within a boat house. It has been foundthat the locking device is also useful in preventtqmeuetins Ascrews ingloosening of the mounting screws 28 due to vibration of the motor duringits operation. .By providing means for telescopically engaging thelocking members E and 1, it will be noted that the locking device mayreadily be mounted in locking position by merely moving the lockingmembers toward each other to receive and snugly enclose the wingheadportions 29 of the` mounting screws 28 within the compartments i3 andI4. It will further be noted that the members 6 and 'I aretelescopically adjustable to permit use of the device with sets ofmountin screws of different spacings.

While this invention has been shown in but one form, it is obvious tothoseV skilled in the art.

that it is not so limited but is susceptible of various changes andmodications' without de-` parting from the spirit and scope of theclaimedA invention.

'I claim as my invention: f

1. In a locking device for securing a pair of outboard motor mountingscrews in predetermined position,Y a pair of locking members, eachlocking member being provided with a housing portion to snugly receiveand engagel the head of its respective mounting screw against rotationalmovement relative thereto, and means for lockingvsaidV locking memberstogether toA prevent disengagement of said members from their respectivemounting screws, said locking members being telescopically engaged andmovable eil) ment of'said members from their respective mountingscrews,one of said Ylockingm-embers being provided with a tongue, and the otherof said locking members being provided with means 4 forming a socket totelescopically receive and engage said tongue.

3. In a locking device for securing a pair of outboard motor mountingscrews in predetermined position, a pair of locking members, eachlocking member being provided with a housing portion having its innerend open to snugly receive and engage against relative rotationalmovement the head of ,itsV respective mounting screw when the lockingmembers are moved toward each other, and means for locking said lockingmembers together to prevent disengagement of said members from theirrespective mounting screws, one of said locking members being providedwith a tongue, and the other of said locking members being provided withguide means defining opposed grooves to telescopically receive andengage said tongue.

4. In a locking device for securing a pair of outboard motor mountingscrews in predetermined position, a pair of locking members, eachlocking member being provided with a housing portion having its innerend opento snugly re,- ceive and engage' against.V4 relative rotationalmovement the head `of its respective mounting screw when the lockingmembers are moved to.- ward each other, one of said locking membersbeing provided with Va plain tongue, the other of said locking membersbeing formed with a flanged tongue tofprovide oppositely disposedgrooves to telescopically receive andvengage said plain tongue, saidplain Itongue and anged tongu-e being formed with registering aperturesto receive a padlock. g (l 1' GUSTAVE HARDERVBINZ.

REFERENCES CITEDV The following references 4are of record in the le ofthis patent:

Y UNITED STATESPATENI'S Number Name Date 932,162 Morris Aug. 24, 1909l1,208,236 Thompson Dec. 12, 1916 1,352,287 Laydon Sept. '7, 19201,850,602 Pineo Mar. 22, 1932 2,279,006

McWalters 1 Apr. 7, 1942

